EP2494417B1 - Manager für eine digitale steuerung - Google Patents

Manager für eine digitale steuerung Download PDF

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Publication number
EP2494417B1
EP2494417B1 EP10818206.4A EP10818206A EP2494417B1 EP 2494417 B1 EP2494417 B1 EP 2494417B1 EP 10818206 A EP10818206 A EP 10818206A EP 2494417 B1 EP2494417 B1 EP 2494417B1
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EP
European Patent Office
Prior art keywords
control manager
dcm
digital control
local database
gateway control
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EP10818206.4A
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English (en)
French (fr)
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EP2494417A4 (de
EP2494417A1 (de
Inventor
Simon Caron
Hami Monsarrat-Chanon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Buildings Americas Inc
Original Assignee
Schneider Electric Buildings AB
Schneider Electric Buildings LLC
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Publication of EP2494417A1 publication Critical patent/EP2494417A1/de
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2642—Domotique, domestic, home control, automation, smart house
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31131—Field device with gateway functions for communication with pc and other field devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31161—Java programcode or simular active agents, programs, applets

Definitions

  • the present invention relates to a digital control manager and systems and methods associated therewith.
  • a building automation system is a control system for a building.
  • the control system is a computerized network of controllers designed to monitor and control end devices that make up the mechanical and lighting systems in a building.
  • a BAS keeps the building climate within a specified range, provides lighting based on an occupancy schedule, and monitors system performance and device failures.
  • BAS networks may consist of a bus which connects controllers with input/output devices, and a user interface for data communication.
  • controllers are purpose-built computers with input and output capabilities. Inputs allow a controller to read temperatures, humidity, pressure, current now, and airflow. Outputs allow the controller to send command and control signals to other parts of the SAS.
  • US 2007/0233323 A1 (Wiemeyer et al. ), relates to a building control system that receives information from devices of different subsystems.
  • a trigger causes a zone controller to store the information in a database; the stored data is used to generate customized reports based on sequences or sets of related events.
  • the present invention provides for a digital control manager, as defined in claim 1 and a database management method as defined in claim 7.
  • the present invention also provides a computer-readable non-transitory storage medium comprising instructions as defined in claim 15. Further advantageous features of the present invention are set out in the dependent claims.
  • Embodiments of the present invention provide a digital control manager further comprising an Ethernet interface configured to provide one or more wired communication links and one or more wireless communications links to one or more digital control managers and one or more end devices.
  • an Ethernet interface configured to provide one or more wired communication links and one or more wireless communications links to one or more digital control managers and one or more end devices.
  • a digital control manager is further provided comprising a WiFi transceiver to provide one or more wireless communications links to one or more digital control managers and one or more end devices.
  • Embodiments of the present invention provide an embedded software interface to configure and monitor the digital control manager and end devices in communication therewith.
  • a digital control manager system comprising:
  • a digital control manager system wherein the plurality of digital control managers further comprises at least one gateway control manager; wherein the at least one gateway control manager is configured to communicate with an external device to provide access to the local database of the at least one gateway control manager, wherein the local database of the at least one gateway control manager comprises a copy of the objects of the local database of at least one other digital control manager.
  • a digital control manager system wherein the plurality of digital control managers further comprises a first gateway control manager, wherein the local database of the first gateway control manager comprises a copy of the objects of the local database of at least one other digital control manager; wherein the plurality of digital control managers further comprises a second gateway control manager, wherein the local database of the second gateway control manager comprises a copy of the objects of the local database of at least one other digital control manager; wherein the first gateway control manager is configured to communicate with the second gateway control manager and is configured to provide the second gateway controller with a copy of the objects of the local database of the first gateway control manager; wherein the first gateway control manager is configured to communicate with an external device and provide the external device with a copy of the objects of the local database of the first gateway control manager; and wherein the second gateway control manager is configured to communicate with an external device and provide the external device with the copy of the objects of the local database of the first gateway control manager and a copy of the objects of the local database of the second gateway control manager.
  • Embodiments of the present invention provide a database management method wherein providing access comprises exporting a copy of the local database of the gateway control manager to the web browser.
  • a database management method further comprising:
  • a database management method further comprising:
  • embodiments of the present invention provide a database management method for a low bit rate communication network comprising:
  • a digital control manager comprising:
  • a method for synchronizing a local database comprising: providing at least one digital control manager: establishing a communication link between the digital control manager and a web browser running on a computing device; executing the embedded software interface in the web browser; and exporting a copy of the objects of the local database of the digital control manager to the web browser.
  • a method for synchronizing a local database further comprising:
  • a method for synchronizing a local database wherein the exporting the copy of the objects from the local database of the gateway control manager to the web browser uses a cross-site HTTP request.
  • a method for synchronizing a local database further comprising:
  • Embodiments of the present invention provide a digital control manager further comprising a communication function module configured to convert from a plurality of protocols to a plurality of protocols using corresponding protocol stacks and drivers.
  • a digital control manager further comprising a control function module configured to manage input and output interfaces and further configured to control physical parameters through a set of control strategies.
  • Embodiments of the present invention provide a digital control manager further comprising a sharing kernel configured to provide a common data exchange scheme to link components of the digital control manager via communication channels.
  • a digital control manager wherein the at least one communication interface comprises a first transceiver configured to provide one or more wireless communication links to one or more end devices having no active power source.
  • Embodiments of the present invention provide a digital control manager further comprising an Ethernet interface configured to provide one or more wired communication links and one or more wireless communications links to one or more digital control managers and one or more end devices.
  • a digital control manager further comprising an WiFi transceiver to provide one or more wireless communications links to one or more digital control managers and one or more end devices.
  • Embodiments of the present invention provide a digital control manager further comprising a communication function module configured to provide an interface for converting from a plurality of protocols to a plurality of protocols using corresponding protocol stacks and drivers.
  • a digital control manager further comprising a control function module configured to manage input end output interfaces and further configured to control physical parameters through a set of control strategies.
  • a digital control manager system wherein the data exchange between digital control managers is based on an observer scheme and uses network objects and network nodes.
  • a building automation system comprising:
  • a method of building automation comprising: providing a plurality of digital control managers in a building to monitor and control a plurality of end devices, each digital control manager comprising a memory storing a local database:
  • a building automation system comprising a self healing mesh network of a multitude of autonomous wireless digital control managers, wherein the each digital control manager comprises a wireless communication interface and a control module to control one or more devices; and a distributed database comprising data for all of the controlled devices in a building.
  • any digital control manager having network access outside the self healing mesh network will act as a gateway control managers within the self healing mesh network.
  • a system further comprising an application on a remote computer, wherein the application is configured to update its local database and such updates are then redistributed automatically back to the gateway control manager and digital control managers in the mesh network.
  • a gateway control manager containing a browser application which is exported to any authorized computer that logs into the gateway controller along with a copy of all of the individual digital control managers databases in the mesh network.
  • the browser application exported from the gateway controller is used to control the building via database updates.
  • a digital control manager comprising an actuator and a sensor.
  • a digital control manager comprising a pressure sensor.
  • a building automation system comprising:
  • a digital control manager system with one or more digital control managers.
  • the embodiments of the systems and methods described herein may be implemented in hardware or software, or a combination of both.
  • Example embodiments may be implemented in computer programs executing on programmable hardware devices each comprising at least one processor, a data storage system (including volatile and non-volatile memory and/or storage elements), and at least one communication interface.
  • the programmable hardware devices may be a server, network appliance, set-top box, embedded device, computer expansion module, computer, laptop, personal data assistant, or mobile device.
  • Program code is applied to input data to perform the functions described herein and generate output information.
  • the output information may be applied to one or more output devices, in known fashion.
  • the communication interface may be a network communication interface.
  • the communication interface may be a software communication interface, such as those for inter-process communication (IPC).
  • IPC inter-process communication
  • Each program is preferably implemented in a high level procedural or object oriented programming and/or scripting language to communicate with a computer system.
  • the programs can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language.
  • Each such computer program is preferably stored on a storage media or a device (e.g. ROM or magnetic diskette), readable by a general or special purpose programmable computer, for configuring and operating the computer when the storage media or device is read by the computer to perform the procedures described herein.
  • the inventive system is also considered to be implemented as a non-transitory computer-readable storage medium, configured with a computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner to perform the functions described herein.
  • system, processes and methods of the described embodiments are capable of being distributed in a computer program product comprising a physical non-transitory computer readable medium that bears computer usable instructions for one or more processors.
  • the medium may be provided in various forms, including one or more diskettes, compact disks, tapes, chips, magnetic and electronic storage media, and the like.
  • the computer useable instructions may also be in various forms, including compiled and non-compiled code.
  • a non-limitative illustrative embodiment of the present invention provides a digital control manager (DCM), which is an entity responsible for managing processes within an application.
  • DCM digital control manager
  • a controller must be "intelligent" in order to accomplish its tasks. The more intelligent the controller, the more effective it will be at solving problems or accomplishing tasks, specifically control tasks.
  • the DCM is required to perform functions which may be represented by four fundamental functions.
  • FIG. 1 shows a schematic representation of a DCM 100 in accordance with an example embodiment.
  • the DCM 100 comprises four function modules, namely the intellectualize function module 110, the communicate function module 120, the manage data function module 130 and the control function module 140.
  • the DCM 100 implements a functions collaboration by providing a common high speed data exchange scheme, referred to as the sharing kernel 150, that link all of the functions modules via communication channels 152.
  • the intellectualize function module 110 analyzes data in order to decide what are to be the next commands and actions in both a discrete and continuous manner.
  • the intellectualize function module 110 may be configured to implement steps similar to the mental process that would go on in the head of a human control manager (HCM). This process can be described and embedded into the DCM 100 by a human operator.
  • HCM human control manager
  • the OCM 100 accepts processes scripted in a modified version of the Lua language.
  • a script interpreter 112 runs the scripts at user specified intervals.
  • the behavior of the intellectualize function module 110 may be modified by providing its script interpreter 112 with a script, through the sharing kernel 150. This enables the DCM 100 to learn at the process level (i.e. it can dynamically change the way it processes information). It is to be understood that other scripting languages may also be used.
  • the communicate function module 120 may be seen as a communication protocol converter and executer. Instead of being a separate physical device, it is embedded within the DCM 100 and interacts with the other function modules (I.e. 110, 130 and 140) through the sharing kernel 150 via communication channels 152 and with the outside world through exterior communication channels 129.
  • the communicate function module 120 may convert from a multiplicity of protocols to a multiplicity of other protocols using corresponding protocol stacks.
  • Protocol stacks and drivers such as for example: CAN2go/TCP Protocol Stack 121, BACNET/UDP Protocol Stack 122, HTTPd Protocol Stack 123, Zigbee/802.15.4 Protocol Stack 124, EnOcean Protocol Stack and Other Protocol 125 along with appropriate hardware/software drivers, such as for example Ethernet Driver 126, Zigbee/802 15.4 Radio Driver 127, EnOcean Radio Driver and Other Driver 128. It is to be understood that other protocol stacks and drivers may also be used.
  • the manage data function module 130 Is responsible for storing and managing data. It constitutes the memory of the DCM 100 through a local memory such as an OnDisk database 132, for example. It can filter or format the requested data in an effective way through, for example, a report maker 134. Those data are then available to the other modules (i.e. 110, 120 and 140) through the sharing kernel 150 via communication channels 152.
  • control function module 140 in accordance with an example embodiment.
  • the role of the control function module 140 is to allow the DCM 100 to have physical interaction with the outside world through a control channel 145. It manages, amongst other things, the input/output interfaces and any other electronic interfaces through an I/O manager 142.
  • the control function module 140 is also responsible for the control of physical parameters via sets of control strategies 144 (e.g. PID sets, neural networks, etc.).
  • the control function module 140 interacts with the other modules (i.e. 110, 120 and 130) through the sharing kernel 150 via communication channels 152.
  • the main purpose of the sharing kernel 150 is to allow efficient data sharing between any internal function modules 110, 120, 130 and 140, through communication channels 152.
  • the sharing kernel 150 further provides for data sharing between networked DCMs 100, through their respective communicate function modules 120.
  • the sharing kernel 150 possesses a single generic interface through which it presents its functionalities and is multi-tasking so as to be able to do different parallel processing. It is passive and answers to client requests, allowing filtered search for information sharing efficiency.
  • FIG. 6 there is shown a schematic representation of a network of DCMs in accordance with an example embodiment.
  • the schematic representation is an example of four DCMs 100a, 100b, 100c and 100d networked together using their respective communicate function modules 120a, 120b, 120c and 120d. through network communication links 154 such as, for example, Ethernet links and wireless links.
  • DCM 100a comprises internal function modules 110a, 120a, 130a, 140a.
  • DCM 100b comprises internal function modules 110b, 120b, 130b, 140b.
  • DCM 100c comprises internal function modules 110c, 120c, 130c, 140c.
  • DCM 100d comprises internal function modules 110d, 120d, 130d, 140d. All information exchange between internal function modules 110, 120, 130 and 140, and DCMs 100, are done via the use of network objects (NObj) and nodes (NNodes).
  • NObj network objects
  • Nodes nodes
  • the sharing kernel 150 is composed of a high performance embedded database 154 on which a software defined interface 156 has been added.
  • data are managed in volatile memory 158 for maximum performance.
  • Data are organized using two types of entries which are string identifier indexed trees (NNode and NObj entries which will be detailed further below). Search algorithms such as B-Tree and/or Patricia are used on during access to shared data in order to enhance the sharing process.
  • the sharing kernel 150 manages only two types of entries which (NNode and NObj entries) is sufficient to manage effectively any type of intra-module 110, 120, 130 and 140 or network communication (i.e. between DCMs 100), via communication channels 152,
  • NObj is a form of network variable.
  • the NObj is used to manage access to a variable associated with an internal process, such as function modules 110, 120, 130 and 140, as well as external process through any network.
  • NObjs are accessed as database entries through the sharing kernel interface 156.
  • the NObj may be seen as a network semaphore which has a defined content.
  • the NObj concept is independent from the way it is managed. Its "entry" form allows it to be used or managed in different ways.
  • a NObj entry is composed of the following Items:
  • NObj entries are provided in Table 1 below. TABLE 1 NObjName NObjNNodeName NObjValue NObjType NObjLastUpdate "TEMP_VALUE” "NODE_1234" 23,4 "F32_TEMP_dC” 1231245345 "TEMP SEIPOINT” .
  • Network node (NNode)
  • the NNode entry represents a physical or virtual node which participates in the network. Each participant in a network manages its own list of seen NNode.
  • a NNode entry is added to the sharing kernel 150 when seen on the network and that interaction with it is desired.
  • the NNode entry can be removed if it is not seen anymore or if no interaction with it is desired anymore.
  • the NNode concept is independent from the way it is managed. Its "entry" form allows it to be used or managed in different ways.
  • the NNode is defined by the following property:
  • NNodes entries are provided in Table 2 below. TABLE 2 NNodeName NObjList COMLayer "NODE 4534" "NAME, TEMP_VALUE, PID_SETPOINT, -- "CAN2do_Zigbee_1” "ROOF2" "NAME, FLOW_VALUE, PID_SETPOINT, -- . "CAN2go_Zigbee_1” "NODE 8888” "NAME, TEMP_VALUE, PID_SETPOINT," "CAN2go_CANbus.
  • a node When a node needs a certain NObj which is not available in the NObj database, it searches the NNode database. If the NObj is found, a call to an Observer_Add process is sent to the NNode managing the NObj. The process of using an external NObj is described further below. The Observer_Add process will add the NObj to the NObj database.
  • the CAN2go type scheme allows multi-type qualifying of any data unit.
  • the XXX field is a mandatory field but the other fields are optional and may be omitted. Furthermore, additional fields may also be added. The fields are separated by a separator'_'.
  • the scripting language used in an illustrative embodiment of the present invention is an extended version of the Lua scripting language, which includes support for parallelism that allows more intuitive scripting of behaviors required in the control industry.
  • This scheme allows reliable control data communication between large amounts of nodes over different stow network links such as wireless Zigbee or 610WPAN (802.15.4) in a homogenous manner.
  • the general idea is to keep the network traffic as low as possible by sending only data on which a monitoring request as been submitted, preventing the monitoring node to have to request the data every lime it needs it.
  • the scheme is an implementation of the OBSERVER pattern specialized for robust monitoring and control applications.
  • the server NNode is the node presenting the NObj and the client NNode is the node requesting the NObj monitoring.
  • the scheme assumes that network nodes discovery and mapping is handled by another scheme.
  • a heartbeat technique such as described our International patent application PCT/CA2008/002148 is used for this purpose.
  • a node being aware of its network neighborhood node can then retrieve their NObj.
  • the scheme can be implemented on any protocol which allows representation of the NObj and NNode.
  • the Observer_Add message is sent by a node wanting to monitor a network object.
  • the message is sent to the node currently managing the NObj. It must contain at least the following information:
  • This message is sent to stop the observer process.
  • This scheme is protocol independent, multiple observers of a same node NObj on the same NNode may be used on broadcast, or on point-to-point networks, multiple observer packets can be placed in a single packet, an observer can be placed on a network mapping item, which allows the placement of an observer on the network state itself.
  • FIG. 8 there is shown a flow diagram of the network observer scheme process 180 in accordance with an example embodiment.
  • the node When a node wants to monitor a network object then, at step 182, the node sends an Observer_Add message to the node currently managing the NObj.
  • the node that sent the Observer_Add message wails for an acknowledgement that the message was received.
  • Observer_Notify request message(s) are sent to monitoring nodes.
  • the monitoring node receives and handles the Oberserver_Notify request as configured.
  • the monitoring node continues to monitor network objects and events trigger Observer_Notify request message(s) to be continually propagated to the monitoring node.
  • a monitoring node sends an Observer_Remove message to stop the observer process.
  • Box 160 illustrates the sequence of the CAN2go observer scheme between two nodes.
  • Node1 162 and Node2 164 An Observer_Add message originates at the control module 166 of Node1 162 and is recorded in the network object observer database 170 of Node1 162.
  • the Observer_Add message is forwarded to the Protocol Stack 172 of Node1 162 and then sent to the Protocol Stack 174 of Node2 164.
  • the Observer_Add message is recorded in the network object observer database 176 of Node2 164.
  • An event triggers a lookup to the network object observer database 176, and, through the Protocol Stack 174, Node2 164 sends an Observer_Notify request to Node1 162 which contains network callback information and event information.
  • Node1 162 Upon receipt, Node1 162 records the event information in the network object observer database 170. The event information is also recorded in the network object database 168, including the network object that triggered the event and values for the event.
  • the control module 166 is also notified of the event and can retrieve the event information from the network object database 168.
  • An Observer_Remove message originates at the control module 166 and is recorded in the network object observer database 170 of Node1 162.
  • the Observer_Remove message is forwarded to the Protocol Stack 172 of Node1 162 and then sent to the Protocol Stack 174 of Node2 164.
  • the Observer_Remove message is recorded in the network object observer database 176 of Node2 164 to stop the observer process.
  • a DCM 100 has different communication needs in order to communicate with other DCMs 100 and end devices. To fulfill those needs, multiple hardware communication interfaces can be strategically joined together on a single hardware platform (i.e. board).
  • the DCM 100 communication interfaces include an Ethernet bus 101, a CAN bus 102, a Wireless Zigbee/802.15,4 transceiver (bus) 103 and a Wireless EnOcean transceiver (bus) 104.
  • the DCM also includes a central processing unit.
  • the DCM 100 may further include a WiFi bus.
  • the Ethernet bus 101 is used for wired or wireless communication with the outside world.
  • the Ethernet bus 101 may provide a wired communication link to DCMs 100 or end devices.
  • the CANbus 102 is used for local communication when high data rates and high reliability are required or if wireless communication is impossible such as in Faraday cage conditions.
  • the CANbus 102 can also be used for adding actuators 200 and extension modules 300 as shown in Figure 11 modules may be mechanically attached to the DCM 100 and software modules may be programmed into the central processing unit of the DCM 100 to provide additional "Control Functions" to a system.
  • the wireless Zigbee/802.15.4 bus 103 covers a wide range through meshing. Some benefits of meshing include lower bandwidth usage and ability to communicate in view of interference and obstacles by repeating a signal from one device to another. It is used for DCM 100 to DCM 100 communication, which allows collaboration of the DCM functions 110, 120, 130 and 140 through the sharing kernel 150. Wireless Zigbee/802.15.4 communication also covers DCM 100 to powered and battery powered end device communication, such as wireless light switches, electrical meters, and electronic equipment for example. As further example, a WiFi bus may also be used.
  • the EnOcean wireless bus 104 allows communication with energy autonomous devices, such as battery less and ultra-low power devices. Those devices generally provide functionalities such as switches, relays or thermostats, where data rates are low. Wireless connections in the context of building automation prevent having to spend money on cabling and in man's work required for their installation.
  • the CANbus 102, wireless Zigbee/802.15.4 bus 103, wireless EnOcean 104, and Ethernet bus 101 can be used in parallel to provide link redundancy and increased robustness.
  • FIG. 12 there is shown a schematic view of the communication coverage of a building automation by the various DCM 100 communication interfaces in accordance with an example embodiment.
  • the schematic illustrates an example of the use of the four types of communication buses 101, 102. 103 and 104 in order to cover needs of a four level building automation.
  • the communication buses 101, 102, 103 and 104 function together to provide a mesh network between DCMs 100 and end devices (DE) such as sensor/actuator devices.
  • DE end devices
  • EnOcean bus 104 provides a wireless communication link between DCM 100 and one or more DEs 400.
  • Zigbee/802.15.4 bus 103 provides a wireless communication link between DCMs.
  • the CANbus 102 may be used in situations where wireless communication is not possible, as is the case on the first level of the building where a DCM 100 is located within a Faraday cage 105.
  • An Ethernet bus 101 links DCMs 100 located on each floor of the building and provides Internet 10 accessibility to multiple DCMs 100 and DEs 400 located throughout the building through wireless Zigbee/802.15.4 103 and EnOcean 104 buses as well as a CANbus 102.
  • a DCM 100 may act as a gateway digital control manager. Such a DCM 100 has the ability to communicate with an external device via the Internet, for example, to provide a copy of objects in the local databases of one or more other DCMs 100 on the network. Such a DCM 100 can establish a communication link to a web browser and receive data requests from the web browser. The DCM 100 may export a copy of the objects in its local database to the web browser, thereby making the web browser another node in the network. Such a DCM 100 may also store an embedded software interface to configure and monitor the DCM 100, and the other DCMs 100 and end devices on the network. The embedded software interface may be executed in the web browser to export a copy of its local database to the web browser.
  • FIG. 13 there is shown a schematic view of an example of a network of DCMs 100 used to provide various functionalities to a room 500.
  • Some of the functionalities include the control of a lighting fixture 502, connected to an EnOcean power outlet 504, by an EnOcean switch 506 as well as the control of an air duct 508, activated by an actuator 200 connected to a DCM 100, by an EnOcean thermostat 510.
  • the DCM 100 located within the room 500 manages the EnOcean communications between the various EnOcean devices 504, 506 and 510.
  • Zigbee/802.15.4 bus 103 communication also allows communication of the various EnOcean devices 504, 506 with other DCMs 100 located elsewhere as well as communication with the outside world via an Ethernet bus 101 in order to provide, for example, remote monitoring and control.
  • Wireless building automation backbone integrating wired, wireless, and battery-less wireless end devices
  • Embodiments of the present invention further provide a BAS network for data exchange between controllers and end-devices.
  • Two types of wireless transceivers that may be used in BAS include: a network transceiver, such as a 802.15.4 transceiver implementing a protocol such as Zigbee or 6lowpan, for example; and a very low power transceiver such as an EnOcean transceiver.
  • Embodiments of the present invention provide a DCM 100 comprising a first transceiver configured to provide one or more wireless communication links to one or more energy autonomous end devices.
  • a first transceiver configured to provide one or more wireless communication links to one or more energy autonomous end devices.
  • Such an end device may be a battery-less end device, or a device that may not be using a battery.
  • Such device may also be an energy harvesting device, using solar panels for example.
  • the first transceiver may be an EnOcean transceiver
  • the DCM 100 further comprises a second transceiver configured to provide one or more wireless communication links to one or more digital control managers and optionally one or more end devices.
  • the second transceiver may be a Zigbee transceiver.
  • the DCM 100 also comprises a local database of objects and their properties, and an intellectualize function module 110 configured to execute a computer program to provide intelligence to the digital control manager and to end devices in communication therewith.
  • An example DCM 100 with two transceivers is shown in Figure 10 .
  • the DCM 100 may further comprise an Ethernet interface configured to provide one or more wired communication links and one or more wireless communications links to one or more digital control managers and/or one or more end devices. This enables the DCM 100 to communicate with wired and wireless DCMs and end devices.
  • the DCM 100 may further comprise a WiFi transceiver to provide one or more wireless communications links to one or more digital control managers and/or one or more end devices.
  • the DCM 100 may further comprise a sharing kernel 150 configured to manage the local database, a communication function module 120 configured to convert from a plurality of protocols to a plurality of protocols using corresponding protocol stacks and drivers, a control function module 140 configured to manage input and output interfaces and further configured to control physical parameters through a set of control strategies.
  • the sharing kernel 150 may further be configured to provide a common data exchange scheme to link components of the digital control manager via communication channels.
  • the DCM 100 may further comprise an embedded software interface to configure and monitor the digital control manager and end devices in communication therewith.
  • the embedded software interface may be exported to a web browser running on a remote computing device.
  • a copy of the local database of the DCM 100 may be exported to the web browser, effectively making the web browser a DCM 100 in the system.
  • the two transceivers included in a single DCM 100 may be: one EnOcean transceiver 104 addressing battery-less end-devices, and one Zigbee/802.15.4 transceiver 103 forming a wireless mesh network between controllers and linking wireless end-devices.
  • the Ethernet interface may be Ethernet bus 101 so that DCMs 100 may either be linked via wireless or wired communications links.
  • a local database may be created within a DCM 100 for use by all applications running on the DCM 100, regardless of communications link by which and event or action request arrives at the DCM 100.
  • the DCM 100 is provided with "intelligence" that is scripted behaviour that may be dynamically reconfigured to alter the behaviour of an end device or a DCM 100.
  • DCMs 100 may be used to implement a BAS.
  • the DCMs 100 provide a unifying link between wireless and wired devices, both end-devices and DCMs; offering intelligence via scripted behaviours and access to data for the entire building.
  • Embodiments of the present invention may provide a DCM 100 system comprising: digital control managers having a communication interface and a local database-
  • the system comprises a network of communication links between the digital control managers to enable data exchange between the DCMs 100, which may be wired and/or wireless communication links.
  • the DCMs 100 may be grouped in clusters, where each cluster is connected by a cluster DCM 100 or gateway DCM 100.
  • the system comprises end devices, wherein each end device is in communication with at least one DCM 100 by a communication link to enable data exchange between the end device and the DCM 100.
  • the communication link may be a wired or wireless communication link.
  • the DCMs control and monitor the end devices.
  • the system further comprises at least one distributed database comprising a copy of the objects of the local databases of some or all DCMs 100 in the system.
  • the distributed database may provide a centralized store for all data in the system.
  • the system may comprise a DCM 100 that is a gateway control manager.
  • the gateway control manager is configured to communicate with an external device to provide access to the local database of the at least one gateway control manager.
  • the local database of the at least one gateway control manager comprises a copy of the objects of the local database of at least one other digital control manager. That is, the gateway control manager has network access outside the system and can make data within the system available outside the network. For example, an authorized remote computer can log into a gateway control manager and download a copy of its local database. If the remote computer updates its copy of the local database, the updates are propagated to the system of DCMs 100 and end devices.
  • the system may comprises a first gateway control manager, wherein the local database of the first gateway control manager comprises a copy of the objects of the local database of at least one other digital control manager, and a second gateway control manager, wherein the local database of the second gateway control manager comprises a copy of the objects of the local database of at least one other digital control manager;
  • the first gateway control manager is configured to communicate with the second gateway control manager and is configured to provide the second gateway controller with a copy of the objects of the local database of the first gateway control manager.
  • the first gateway control manager is configured to communicate with an external device and provide the external device with a copy of the objects of its local database.
  • the second gateway control manager is configured to communicate with an external device and provide the external device with the copy of the objects of its local database.
  • the second gateway control manager is configured to provide the external device a copy of the objects of the local database of the first gateway control manager
  • the DCMs 100 may be grouped into clusters, where each cluster is assigned to manage a floor or segment of a building;
  • the BAS integrates the clusters via wired or wireless communication links to create a building automation bus to enable data exchange between the DCMs 100.
  • the BAS manages end devices, where each end device is in communication with at least one DCM 100 by either wireless or a wired communication link to enable data exchange between the end device and the DCM 100.
  • the BAS is operable to integrate the local databases of all the DCMs 100 into a single distributed database accessible from a designated gateway controller.
  • Figure 12 illustrates an example of this.
  • a DCM 100 connected to Ethernet bus 101 may act as a gateway to external devices connected via the Internet.
  • the gateway DCM 100 can store a copy of the objects of the local databases of some or all DCMs 100 and DEs 400 on the network, to provide the distributed database.
  • Some DCMs 100 may store copies of objects in the local databases of DEs 400 and other DCMs 100, and provide the gateway with a copy. Any updates to the distributed database will be propagated within the network and from/to the external device.
  • Distributed databases may be implemented for each cluster by integrating the local databases of each DCM 100 in the cluster.
  • the BAS may be implemented such that there is a designated gateway digital control manager for each cluster of DCMs 100.
  • the BAS may implement a distributed database for each cluster of DCMs 100, wherein each distributed database is configured to access and manage the local databases of all DCMs 100 of the corresponding cluster.
  • Each designated gateway control manager is configured to access the corresponding distributed database for the cluster.
  • Embodiments of the present invention further provide an efficient database management method for a low bit rate communication network.
  • the method enables a single coherent view of data accessible from a single point on the bus.
  • the method is implemented to address low data rates of a wireless network such as Zigbee/802.15.4.
  • the building automation bus is capable of speaking to and managing devices that are unidirectional and only send data on events, such as EnOcean switches for example.
  • the method is operable to manage a large number of devices distributed over multiple floors or area clusters.
  • FIG. 14 there is shown a schematic representation of a network of two DCMs 100.
  • a copy of local DB1 520 stored in the local memory of DCM 100e is created.
  • the copy of DB1 522 is stored in the local memory of DB2 100f, along with its local DB2 524.
  • synchronization is only performed for changed values in DB1 520, by transmitting the changed values over a communication link 526.
  • a web browser 530 can also request synchronization of a specific object, such as DCM 100e, on demand and can access data values via DCM 100f.
  • DCM 100e maintains values for an end device, such as EnOcean switch 534 in its local DB1 520.
  • an end device such as EnOcean switch 534
  • DB1 522 is stored on DCM 100f. Only updated data values are transmitted to synchronize DB1 520 and the copy DB1 522.
  • the web browser 530 performs a request for the state of the EnOcean switch 534, the value that was store in copy DB1 522 is returned.
  • cluster controllers In order to create a single coherent view cluster controllers (DCMs 100) maintain local copies of the databases of a portion or all of the DCMs 100 in cluster. Individual DCMs 100 transmit changes only to the cluster controllers. Cluster controllers re-sync local copies of the databases on an ongoing basis when there are no transactions. Gateway controllers maintain local copies of Cluster databases, again only changes are transmitted in normal operations. Operations may be carried in any database at any level of the network/bus and the rest of the network will automatically resynchronize. By distributing the data in this manner and allowing operations to be initiated at any point there is no delay in an initiating application in setting up and issuing an action or information request.
  • Figure 12 illustrates an example of clusters and gateways. There may be gateway DCM 100 in communication with another gateway DCM 100 for efficient data exchange.
  • FIG. 16 there is shown flowchart diagram of a database management method 600 for a low bit rate communication network in accordance with an example embodiment.
  • the method 600 aims to reduce bandwidth usage by sending only updates and not requiring a communication link to be maintained to the gateway control manager, and reduce latency for responding to data requests.
  • Step 602 comprises establishing communication links between DCMs 100 and end devices, wherein each DCM 100 comprises a local database of objects. This results in a network of DCMs 100 and end devices, so that the DCMs 100 can control and monitor end devices as well as exchange data with other DCMs 100.
  • Figures 12 and 13 illustrate examples.
  • Step 604 comprises designating at least one of the DCMs 100 s to be a gateway control manager.
  • the gateway control manager can connect to devices external to the network of DCMs 100 and end devices to provide such external device access to the data in the system and network from other DCMs 100 and end devices.
  • Figure 12 illustrates a DCM 100 connected to the Ethernet bus 101 and in communication with another DCM 100, which is in turn in communication with another DCM 100. to provide a chain of gateways.
  • Figure 13 illustrates an example application.
  • Step 606 comprises, for at least one DCM 100, storing a copy of the objects of the local database of the at least one DCM 100 in the local database of the gateway control manager. This enables the gateway control manager to provide a copy of the data from other DCMs 100 to external devices, even when the DCM is turned off or otherwise not accessible.
  • Step 608 comprises determining whether an object of the local database of the at least one DCM 100 is updated.
  • step 608 comprises synchronizing the local database of the gateway control manager by making a corresponding update to the copy of the object that was updated. If there are not updates then no data is transmitted. Only transmitting updates reduces bandwidth usage. The complete object that was updated may be transmitted or only the incremental change.
  • the database management method 600 may further comprise the steps of establishing a communication link between the gateway control manager and a web browser on a device external to the network of DCMs 100 and end devices.
  • Figure 12 illustrates a DCM 100 connected to the Internet, which may in turn be connected to the web browser or other software interface application.
  • the gateway control manager may receive a data request from the web browser and provide the web browser with access to the local database of the gateway control manager.
  • providing access may comprise exporting a copy of the local database of the gateway control manager to the web browser so that a network connection between the web browser and the gateway control manager does not have to be maintained.
  • the database management method 600 may further comprise the steps of establishing a communication link between the gateway control manager and a web browser.
  • the gateway control manager may receive a synchronization request from the web browser at, wherein the synchronization request identifies one or more DCMs 100.
  • Method 600 may further comprise determining whether an object of the local database of the one or more DCMs 100 is updated, and upon determining that an object is updated, synchronizing the local database of the gateway control manager by making a corresponding update to the copy of the object that was updated. That is, the web browser may prompt the gateway control manager to ensure its local database is synchronized. Further, the web browser may request that its own copy of the local database be synchronized with the current local database of the gateway control manager.
  • the database management method 600 may further comprise the steps of establishing a communication link between the gateway control manager and a web browser, and establishing a communication link between an end device and a DCM 100, wherein the local database of the digital control manager stores objects corresponding to a state of the end device. A copy of the objects corresponding to the state of the end device of the local database of the at least one DCM 100 may then be stored In the local database of the gateway control manager.
  • the gateway control manager may receive a state request from the web browser, wherein the state request identifies the end device, and in response, provide the web browser with access to the copy of the objects corresponding to the state of the end device in the local database of the gateway control manager.
  • providing access may comprise exporting a copy of the objects corresponding to the state of the end device to the web browser so that a network connection between the web browser and the gateway control manager does not have to be maintained.
  • FIG. 17 there is shown flowchart diagram of a database management method 700 for a low bit rate communication network in accordance with an example embodiment.
  • the method 700 aims to reduce bandwidth usage by sending only updates and not requiring a communication link to be maintained to the gateway control manager, and reduce latency for responding to data requests.
  • Step 702 comprises establishing communication links between a plurality of digital control managers and a plurality of end devices, wherein each digital control manager comprises a local database.
  • Figure 12 illustrates an example network.
  • Step 704 comprises designating one of the digital control managers to be a first gateway control manager.
  • Figure 12 illustrates a DCM 100 that acts as a gateway.
  • Step 706 comprises designating one of the digital control managers to be a second gateway control manager.
  • Figure 12 illustrates a DCM 100 that acts as another gateway.
  • Step 708 comprises for at least one digital control manager, storing a copy of the objects of the local database of the at least one digital control manager In the local database of the first gateway control manager.
  • Step 710 comprises for at least one other digital control manager, storing a copy of the objects of the local database of the at least one other digital control manager in the local database of the second gateway control manager.
  • Step 712 comprises storing a copy of the objects of the local database of the first gateway control manager in the local database of the second gateway control manager.
  • Step 714 comprises determining whether an object of the local database of the at least one digital control manager is updated.
  • Step 716 comprises upon determining that an object is updated, synchronizing the local database of the first gateway control manager by making a corresponding update to the copy of the object that was updated
  • Step 718 comprises determining whether an object of the local database of the first gateway control manager is updated.
  • Step 720 comprises upon determining that an object is updated, synchronizing the local database of the second gateway control manager by making a corresponding update to the copy of the object that was updated.
  • Embodiments of the present invention further provide a local embedded interface on the DCM 100.
  • Building automation networks may consist of a primary and secondary bus which connect high-level controllers (generally specialized for building automation, but may be generic programmable logic controllers) with lower-level controllers, input/output devices and a user interface (also known as a human interface device).
  • the primary and secondary bus can be BACnet, optical fiber, Ethernet, ARCNET, RS-232, RS-485 or a wireless network.
  • controllers are proprietary. Each company has its own controller for specific applications. Some are designed with limited controls: for example, a simple Packaged Roof Top Unit. Others are designed to be flexible, Most have proprietary software that will work with ASHRAE's open protocol BACnet or the open protocol LonTalk.
  • Inputs and outputs are either analog or digital (some companies say binary). Analog inputs are used to read a variable measurement. Examples are temperature, humidity and pressure sensor which could be thermostat, 4-20 mA, 0-10 volt or platinum resistance thermometer (resistance temperature detector), or wireless sensors. A digital input indicates if a device is turned on or not. Some examples of a digital input would be a 24VDC/AC signal, an air flow switch, or a volt-free relay contact.
  • Analog outputs control the speed or position of a device, such as a variable frequency drive, a I-P (current to pneumatics) transducer, or a valve or damper actuator.
  • a device such as a variable frequency drive, a I-P (current to pneumatics) transducer, or a valve or damper actuator.
  • An example is a hot water valve opening up 25% to maintain a set point.
  • Digital outputs are used to open and close relays and switches. An example would be to turn on the parking lot lights when a photocell indicates it is dark outside.
  • control contractor needs vendor specific software to configure the system and the DCMs.
  • a contractor must have vendor specific software that must be keep current over the 10 year lifespan of the system.
  • a typical use case for traditional controllers would require a given controller to be programmed with that manufacturer's software, possibly even requiring a specific OS version.
  • Another issue is that if the Building owner wants a front-end solution, they need a dedicated web server. When the building is too small, the return on investment is too low to justify the cost of a server
  • Embodiments of the present invention relate to an embedded software interface, such as java script application, stored within the DCM 100 but executed in a web browser.
  • the embedded software interface may be used to configure and monitor the DCM 100 and the system.
  • the embedded software interface provides a highly portable web browser extension (or plug-in).
  • the complete application is run within the browser on a computing system.
  • the DCM 100 database is exported to system running the browser application which then effectively becomes a new DCM 100 in the network, using its local database copy to formulate requests and actions and synchronizing its local database with the other databases in the building, This configuration does not provide a client/server relationship. Only database synchronization between controller and web browser (peer-to-peer relationship).
  • An on-board user/configuration web interface removes dependencies on outside tools / proprietary software / versions. A user, for example, could go back 10 years later on a job site and still be fully capable of configuring and managing the network and DCMs 100. Because the data is resident on low power devices operating at least in part over low speed links, and there is by design no web-server required in the building, real time performance is achieved by effectively creating a new DCM 100 in the building network running locally on the contractor's computer.
  • Actions are carried out via the database updates once an update reaches the DCM 100 that Is directly connected to the targeted device; this DCm 100 carries out the requested action, confirms if possible the new state of the end-device, and updates its database. In the event that an action fails, the end-device DCM 100 initiates a new database update reflecting the actual end state of the device.
  • the data server becomes the contractor's computer. This inverts the usual client server relationship in which a thin client interacts with a powerful server. Here a thick client interacts with a low power server in an efficient manner.
  • DCMs 100g, 100h, 100i, and 100j are gateway control managers.
  • DCMs 100g, 100k, 100l, and 100m are arranged in a cluster, where DCM 100g is a cluster control manager.
  • DCMs 100h, 100n, 100o, and 100p are arranged in a cluster, where DCM 100h is a cluster control manager.
  • DCMs 100j, 100q, 100s, and 100r are arranged in a cluster, where DCM 100j is a cluster control manager.
  • DCM 100g When the web browser 542 connects first to DCM 100g via Ethernet bus 540, the application and any data residing in the local database on DCM 100g is downloaded in the web browser's memory and executed locally on the computer where the browser is running,
  • the application operates on its local copy of the data without any interaction with the DCMs 100 in formulating information and action requests.
  • DCM 100K, DCM 1001, and DCM 100m may be stored in the local database of DCM 100g, which is acting as a gateway control manager, with a connection to web browser 542 via Ethernet interface 540.
  • DCM 100g can act as a router to DCM 100h, which acts as a gateway controller to DCM 100n, DCM 100o, and DCM 100p.
  • cross-site HTTP requests can be use to retrieve data from other DMCs by the web browser.
  • Cross-site HTTP requests are HTTP requests for resources from a different domain than the domain of the resource making the request.
  • a decentralized system may increase redundancy as there is no single point of failure and improve scalability as the control network is deployed in a step wise approach.
  • a decentralized system reduces upfront costs associated with a centralised system as it does not require a centralized server, software, etc. In this sense, "centralized" management of a single room could be achieve by connecting a CAN2GO connector to a LAN. Adding additional rooms would have marginal costs, With traditional systems, this would be infeasible as the size of the deployment and the hardware / software requirements would need to be planned out in advance.
  • a decentralized system reduces the cost of a deployment and thus maximizes the return on investment for a customer.
  • Embodiments of the present invention provide a DMC 100 comprising at least one communication interface configured to provide a communication link to one or more digital control managers, one or more end devices, and a web browser.
  • the DMC 100 further comprises a local database comprising objects and an embedded software interface to configure and monitor the digital control manager and end devices in communication therewith.
  • the at least one communication interface may comprise a first transceiver configured to provide one or more wireless communication links to one or more end devices having no active power source.
  • the at least one communication interface may comprise a second transceiver configured to provide one or more wireless communication links to one or more digital control managers and one or more end devices.
  • the at least one communication interface may comprise an Ethernet interface configured to provide one or more wired communication links and one or more wireless communications links to one or more digital control managers and/or one or more end devices.
  • the at least one communication interface may comprise a WiFi transceiver to provide one or more wireless communications links to one or more digital control managers and/or one or more end devices.
  • the DMC 100 may further comprise an intellectualize function module configured to execute a computer program to provide intelligence to the digital control manager and to end devices in communication therewith.
  • the DMC 100 may further comprise a sharing kernel configured to manage the local database, a communication function module configured to provide an interface for converting from a plurality of protocols to a plurality of protocols using corresponding protocol stacks and drivers, a control function module configured to manage input and output interfaces and further configured to control physical parameters through a set of control strategies.
  • the sharing kernel configured to provide a common data exchange scheme to link components of the digital control manager via communication channels.
  • FIG. 19 there is shown a flowchart diagram of a method 800 for synchronizing a local database in accordance with an example embodiment.
  • Step 802 comprises providing at least one DMC 100 to the system.
  • Step 804 comprises establishing a communication link between the DMC 100and a web browser running on a computing device.
  • the web browser may be running on a remote computer of a contractor that will be configuring the system.
  • Step 806 comprises executing the embedded software interface in the web browser. This enables the remote computer to access the DMC 100 for configuration.
  • Step 808 comprises exporting a copy of the objects of the local database of the DMC 100to the web browser.
  • the web browser can act as another node or DMC 100 in the network as it contains a copy of the local database.
  • step 810 comprises terminating the communication link between the gateway control manager and the web browser running on the computing device.
  • step 812 comprises deleting the copy of the web interface application and the copy of the local database of the gateway control manager on the computing device running the web browser. This ensures that there are no outdated copies of the local database,
  • FIG. 20 there is shown a flowchart diagram of a method 900 for synchronizing a local database in accordance with another example embodiment.
  • Step 902 comprises establishing communication links between a plurality of DMCs 100.
  • Step 904 comprises designating at least one of the DMCs 100 to be a gateway control manager.
  • Step 906 comprises, for at least one DMCs 100, storing a copy of the objects of the local database of the at least one DMCs 100in the local database of the gateway control manager.
  • Step 908 comprises establishing a communication link between the gateway control manager and the web browser running on the computing device.
  • Step 910 comprises, at the gateway control manager, receiving, a data retrieval request from the web browser identifying the at least one digital control manager;
  • Step 912 comprises exporting a copy of the objects from the local database of the gateway control manager to the web browser.
  • Exporting the copy of the objects from the local database of the gateway control manager to the web browser may use a cross-site HTTP request.
  • the method 900 may comprise providing the embedded software interface in the memory of the gateway control manager and exporting a copy of the web interface application and a copy of the local database of the gateway control manager to the computing device running the web browser, When the communication link between the gateway control manager and the web browser running on the computing device is terminated, the method 900 may comprise deleting the copy of the web interface application and the copy of the local database of the gateway control manager on the computing device running the web browser.

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Claims (15)

  1. Ein digitaler Steuerungsmanager, digital control manager (DCM 100), der Folgendes umfasst:
    einen ersten Transceiver, konfiguriert, um einem oder
    mehreren energieautonomen Endgeräten eine oder mehrere drahtlose Kommunikationsschnittstellen (154) zur Verfügung zu stellen;
    einen zweiten Transceiver, konfiguriert, um einem oder
    mehreren digitalen Steuerungsmanagern (DCM 100), von denen mindestens einer zum Gateway-Steuerungsmanager für die Kommunikation mit einem externen Gerät bestimmt ist,
    eine oder mehrere drahtlose Kommunikationsschnittstellen (154) zur Verfügung zu stellen;
    eine lokale Datenbank von Objekten, die einem Status der Endgeräte entsprechen;
    einen Intellektualisierungs-Funktionsbaustein (110), konfiguriert, um ein Computerprogramm auszuführen, um dem digitalen Steuerungsmanager (DCM 100) Intelligenz zur Verfügung zu stellen, wobei das Verfügbarmachen von Intelligenz das Analysieren von Daten und das Entscheiden umfasst, welches der nächste Befehl zum Verwalten von Prozessen mit einer Anwendung ist; und
    einen Sharing-Kern (150), konfiguriert, um die lokale Datenbank von Objekten zu verwalten und um für Data Sharing zwischen vernetzten digitalen Steuerungsmanagern (DCM 100) zu sorgen, wobei der Sharing-Kern (150), nach dem Ermitteln, dass ein Objekt aktualisiert wurde, eine lokale Datenbank des Gateway-Steuerungsmanagers synchronisiert durch eine entsprechende Aktualisierung einer im Gateway-Steuerungsmanager gespeicherten Kopie des aktualisierten Objekts.
  2. Der digitale Steuerungsmanager (DCM 100) gemäß Anspruch 1,
    der weiter eine Ethernet-Schnittstelle umfasst, konfiguriert, um einem oder mehreren digitalen Steuerungsmanagern und einem oder mehreren Endgeräten eine oder mehrere verdrahtete Kommunikationsschnittstellen (154) und eine oder mehrere drahtlose Kommunikationsschnittstellen (154) zur Verfügung zu stellen.
  3. Der digitale Steuerungsmanager (DCM 100) gemäß einem beliebigen der Ansprüche 1 und 2, der weiter eine eingebettete Softwareschnittstelle umfasst, um den digitalen Steuerungsmanager (DCM 100) und die Endgeräte, die mit ihm kommunizieren, zu konfigurieren und zu überwachen.
  4. Der digitale Steuerungsmanager (DCM 100) gemäß einem beliebigen der Ansprüche 1 bis 3, wobei der Sharing-Kern (150) weiter konfiguriert ist, um Verbindungskomponenten des digitalen Steuerungsmanagers (DCM 100) über Übertragungskanäle (152) ein gemeinsames Datenaustauschschema zur Verfügung zu stellen.
  5. Der digitale Steuerungsmanager (DCM 100) gemäß einem beliebigen der Ansprüche 1 bis 4, wobei der Sharing-Kern konfiguriert ist, um, wenn keine Aktualisierung stattgefunden hat, keine Daten an den Gateway-Steuerungsmanager zu senden.
  6. Der digitale Steuerungsmanager (DCM 100) gemäß einem beliebigen der Ansprüche 1 bis 5, der weiter einen Kommunikationsfunktionsbaustein (120) umfasst, konfiguriert, um eine Vielzahl von Protokollen in eine Vielzahl von Protokollen umzuwandeln, die entsprechende Protokollstapel und Treiber nutzen.
  7. Ein Datenbank-Verwaltungsverfahren für ein Kommunikationsnetz mit niedriger Bitrate, Folgendes umfassend:
    das Herstellen von Kommunikationsverbindungen (154) zwischen einer Vielzahl digitaler Steuerungsmanager (DCM 100) und einer Vielzahl von Endgeräten, wobei jeder digitale Steuerungsmanager (DCM 100) eine lokale Datenbank von Objekten umfasst, die einem Status der Endgeräte entsprechen, die mit ihm kommunizieren;
    das Bestimmen mindestens eines der digitalen Steuerungsmanager (DCM 100) zum Gateway-Steuerungsmanager für die Kommunikation mit einem externen Gerät;
    für mindestens einen digitalen Steuerungsmanager (DCM 100), das Speichern einer Kopie der Objekte der lokalen Datenbank des mindestens einen digitalen Steuerungsmanagers (DCM 100) in der lokalen Datenbank des Gateway-Steuerungsmanagers;
    das Bestimmen, ob ein Objekt der lokalen Datenbank des mindestens einen digitalen Steuerungsmanagers (DCM 100) aktualisiert ist;
    nach dem Bestimmen, dass ein Objekt aktualisiert ist, das Synchronisieren der lokalen Datenbank des Gateway-Steuerungsmanagers durch eine entsprechende Aktualisierung der Kopie des Objekts, das aktualisiert wurde.
  8. Das Datenbank-Verwaltungsverfahren gemäß Anspruch 7, das weiter Folgendes umfasst:
    das Herstellen einer Kommunikationsverbindung (154) zwischen dem digitalen Steuerungsmanager (DCM 100) und
    einem Webbrowser (530, 542);
    das Empfangen einer Datenabfrage vom Webbrowser (530, 542) am Gateway-Steuerungsmanager;
    das Ermöglichen von Zugriff auf die lokale Datenbank des Gateway-Steuerungsmanagers für den Webbrowser (530, 542).
  9. Das Datenbank-Verwaltungsverfahren gemäß Anspruch 8, wobei das Ermöglichen von Zugriff das Exportieren einer Kopie der lokalen Datenbank des Gateway-Steuerungsmanagers in den Webbrowser umfasst.
  10. Das Datenbank-Verwaltungsverfahren gemäß einem beliebigen der Ansprüche 7 bis 9, wobei der Gateway-Steuerungsmanager Netzzugriff auf ein externes Gerät, wie zum Beispiel einen autorisierten dezentralen Computer, hat.
  11. Das Datenbank-Verwaltungsverfahren gemäß einem beliebigen der Ansprüche 7 bis 10, wobei das Synchronisieren der lokalen Datenbank nur das Senden der Aktualisierung des Objekts umfasst.
  12. Das Datenbank-Verwaltungsverfahren gemäß einem beliebigen der Ansprüche 7 bis 11, wobei der Gateway-Steuerungsmanager zum ersten Gateway-Steuerungsmanager bestimmt ist, wobei das Verfahren weiter Folgendes umfasst:
    das Bestimmen eines der digitalen Steuerungsmanager (DCM 100) zu einem zweiten Gateway-Steuerungsmanager;
    für mindestens einen anderen digitalen Steuerungsmanager (DCM 100), das Speichern einer Kopie der Objekte der lokalen Datenbank des mindestens einen anderen digitalen Steuerungsmanagers (DCM 100) in der lokalen Datenbank des zweiten Gateway-Steuerungsmanagers;
    das Bestimmen, ob ein Objekt der lokalen Datenbank des ersten Gateway-Steuerungsmanagers aktualisiert ist; und
    nach dem Ermitteln, dass ein Objekt aktualisiert wurde,
    das Synchronisieren der lokalen Datenbank des zweiten Gateway-Steuerungsmanagers durch eine entsprechende Aktualisierung der Kopie des aktualisierten Objekts.
  13. Das Datenbank-Verwaltungsverfahren gemäß Anspruch 12, wobei die erste Gateway-Steuerung konfiguriert ist, um mit einem externen Gerät zu kommunizieren und dem externen Gerät eine Kopie der Objekte ihrer lokalen Datenbank zur Verfügung zu stellen; und
    wobei der zweite Gateway-Steuerungsmanager konfiguriert ist, um mit einem externen Gerät zu kommunizieren und diesem eine Kopie der Objekte der lokalen Datenbank des ersten Gateway-Steuerungsmanagers zur Verfügung zu stellen.
  14. Das Datenbank-Verwaltungsverfahren gemäß Anspruch 13, das weiter Folgendes umfasst:
    das Gruppieren der digitalen Steuerungsmanager (DCM 100) in Cluster, wobei jeder Cluster der Verwaltung eines Stockwerks oder Segments eines Gebäudes zugewiesen ist;
    und
    wobei jedes Endgerät über entweder eine drahtlose oder
    eine verdrahtete Kommunikationsschnittstelle mit mindestens einem digitalen Steuerungsmanager (DCM 100) kommuniziert, um Datenaustausch zwischen dem Endgerät und
    dem digitalen Steuerungsmanager (DCM 100) zu ermöglichen.
  15. Ein maschinenlesbares nicht flüchtiges Speichermedium, das Anweisungen umfasst, welche, wenn sie von einem Computer ausgeführt werden, diesen veranlassen, die Schritte des Verfahrens gemäß einem beliebigen der Ansprüche 7 bis 14 durchzuführen.
EP10818206.4A 2009-09-23 2010-09-23 Manager für eine digitale steuerung Active EP2494417B1 (de)

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US27242409P 2009-09-23 2009-09-23
PCT/CA2010/001528 WO2011035438A1 (en) 2009-09-23 2010-09-23 Digital control manager

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WO2011035438A1 (en) 2011-03-31
US20140288713A1 (en) 2014-09-25
US9292014B2 (en) 2016-03-22
EP2494417A4 (de) 2014-12-10
US20110112690A1 (en) 2011-05-12
CN102648441A (zh) 2012-08-22
CA2775001A1 (en) 2011-03-31
CA2775001C (en) 2018-05-15
EP2494417A1 (de) 2012-09-05

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